Best Memory Cards for Sony a7 IV
Here is the guide for you to get the top recommended memory cards for Sony a7 IV mirrorless camera, including CFexpress cards (Type A) and UHS-II SD cards.
The Sony a7 IV has dual memory card slots: The card slot 1 supports both the fast CFexpress Type A cards and the UHS-II SD cards while the card slot 2 is only compatible with UHS-II SD cards. An all-arounder that pushes beyond basic, the Sony a7 IV (Amazon, B&H, Adorama) features many of Sony’s most advanced imaging technologies, including the latest BIONZ XR processing engine and advanced AF (autofocus) capabilities from the flagship a1 combined with streamlined operability and enhanced reliability for photos and movies, making it the perfect all-around camera for today’s imaging enthusiasts and professionals. Sporting a newly developed 33MP Full-Frame Exmor R CMOS sensor pairs and the latest BIONZ XR processing engine, the Sony a7 IV is capable of recording 4K 60p 10-bit 4:2:2 video continuously for more than an hour and up to 10 fps burst shooting using either the mechanical or electronic shutter with AF/AE enabled. It also has 5-axis optical in-body image stabilization for a 5.5-step shutter speed advantage, an improved grip for greater comfort, and a CFexpress Type A compatible media slot to support media with faster writing and clearance. What’s more, the Sony a7 IV gets an impressive 89% overall score and Gold Award from the experts at DPReview.
Below are the best memory cards for Sony a7 IV mirrorless camera, including CFexpress cards (Type A) and UHS-II SD cards. You can just get the one you like!
CFexpress Cards (Type A) | SD Cards
Best CFexpress Cards (Type A) for Sony a7 IV
Here is the full list of top recommended CFexpress cards (Type A) for Sony a7 IV mirrorless camera.
The Sony a7 IV card slot 1 supports both the CFexpress Type A cards and the UHS-II SD cards. When it comes to CFexpress Type A cards, the choices are very limited. Currently, the Sony TOUGH CFexpress Type A card and ProGrade Digital Cobalt CFexpress Type A card are the only two choices on the market.
Available in both 80GB and 160GB, the Sony TOUGH CFexpress Type A card is the world’s first CFexpress Type A memory cards for you. Both the CEA-G80T (80GB) and CEA-G160T (160GB) use the latest flash memory control technology to achieve write speeds as high as 700MB/s and read speeds as high as 800MB/s. This quick performance benefits recording a variety of video resolutions, bit-rates, and compressions, as well as high-resolution continuous raw photo shooting. Beyond its speed, this TOUGH memory card also has a reinforced physical design to withstand falls from up to 15′ and has been rigidity tested to 70 N of force. Delivering high transfer speed, durability and reliability, Sony’s CFexpress Type A cards offer professional and stress-free performance for photographers and content creators. In addition, you can also get the Sony MRW-G2 CFexpress Type A/SD Card Reader, which allows you to transfer data approximately 2.8 times faster than with conventional media. Overall, we highly recommend the Sony TOUGH CFexpress as the top best choice for the Sony a7 IV users.
In addition, the newly released ProGrade Digital Cobalt CFexpress Type A card is another super choice. Available in only 160GB, the ProGrade Digital Cobalt CFexpress Type A card provides read speeds of up to 800 MB/s, which helps to quickly offload content to your computer, and write speeds of up to 700 MB/s. Additionally, the Cobalt’s minimum write speed is guaranteed not to drop below 400 MB/s, which allows for the uninterrupted recording of a wide variety of codecs, including raw 4K video, 4K and 6K ProRes 4444, 4K, 6K, and 8K ProRes 422 HQ, and more. This card is also resistant to temperature extremes, shock, vibration, and X-rays. Super fast and great choice!
| CFexpress Cards | Max. Read Speed | Max. Write Speed |
| Sony 160GB TOUGH CFexpress Type A Card | 800 MB/s | 700 MB/s |
| Sony 80GB TOUGH CFexpress Type A Card | 800 MB/s | 700 MB/s |
| ProGrade Digital Cobalt CFexpress Type A Card | 800 MB/s | 700 MB/s |
| Sony MRW-G2 CFexpress Type A/SD Card Reader | — | — |
Best UHS-II SD Cards for Sony a7 IV
Here is the full list of top recommended UHS-II SD cards for Sony a7 IV mirrorless camera.
Both Sony a7 IV card slots are compatible with the widely-used UHS-II SD cards. Currently, the Sony SF-G Tough UHS-II SD Card (V90), Kingston Canvas React Plus UHS-II SD Card (V90), ProGrade Digital UHS-II SDXC Card (V90), Delkin Devices Power UHS-II SDXC Card (V90) and Lexar Professional 2000x UHS-II SD Card (V90) are top recommended and fastest UHS-II SD cards on the market.
Offering maximum read speeds of up to 300 MB/s and maximum write speeds of up to 299 MB/s, the Sony SF-G Tough Series UHS-II SD card is currently the world’s fastest SD card on the market and the top choice for you, and it is ideal for super fast continuous shooting as well as video capture, including 8K, 4K XAVC S, 60p AVCHD, 3D, HFR, and Full HD video. In addition, thanks to its V90 speed class rating, minimum write speeds are guaranteed not to drop below 90 MB/s. The only downside is: this card is a little expensive for many photographers. The Kingston Canvas React Plus UHS-II SD Card (V90), ProGrade Digital UHS-II SDXC Card (V90), Delkin Devices Power UHS-II SDXC Card (V90) are the top three alternatives to the Sony SF-G Tough UHS-II SD Card.
Besides, with maximum read speeds of 300 MB/s and maximum write speeds of 260 MB/s, Kingston Canvas React Plus UHS-II SD Card, ProGrade Digital UHS-II SDXC Card (V90), Delkin Devices Power/Black UHS-II SDXC Card (V90) and Lexar Professional 2000x UHS-II Card are another four excellent choices with a little cheaper price and these four cards offer almost the same speed. If you need some fast and reliable UHS-II SD cards without spending too much, the ProGrade Digital UHS-II SDXC Card (V90) and the Delkin Devices Power UHS-II SDXC Card (V90) are the top two choices for you! Or, if you need some cheaper and reliable SD cards, you can also consider the Sony SF-M Tough UHS-II SD Card (V60) and the ProGrade Digital UHS-II SD Card (V60).
| UHS-II SD Cards | Max. Read Speed | Max. Write Speed |
| Sony SF-G Tough UHS-II SD Card (V90) | 300 MB/s | 299 MB/s |
| Kingston Canvas React Plus UHS-II SD Card (V90) | 300 MB/s | 260 MB/s |
| ProGrade Digital UHS-II SDXC Card (V90) | 300 MB/s | 250 MB/s |
| Delkin Devices Power UHS-II SDXC Card (V90) | 300 MB/s | 250 MB/s |
| Delkin Devices BLACK UHS-II SDXC Card (V90) | 300 MB/s | 250 MB/s |
| Lexar Professional 2000x UHS-II Card (V90) | 300 MB/s | 260 MB/s |
| SanDisk Extreme PRO UHS-II SD Card | 300 MB/s | 260 MB/s |
| Hoodman Steel 2000x SDXC UHS-II Card | 300 MB/s | 260 MB/s |
| Sony SF-M Tough UHS-II SDXC Card (V60) | 277 MB/s | 150 MB/s |
| ProGrade Digital UHS-II SDXC Card (V60) | 250 MB/s | 130 MB/s |
| Sony SF-E Series UHS-II SDXC Card (V60) | 270 MB/s | 120 MB/s |
| Lexar Professional 1667x UHS-II SD Card (V60) | 250 MB/s | 90 MB/s |
Read more: Best Lenses for Sony a7 IV.